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Diwrnod Shwmae Su’mae Day 2025

Shwmae Su'mae Hydref 15 / October 15

Having fun while speaking Welsh is the theme of this year’s Shwmae Su’mae campaign led by Mentrau Iaith Cymru. The event, which takes place annually on 15 October, is a national celebration of the Welsh language, wherever you live and whatever your level.

It’s an opportunity to have fun and share the language – in the shop, leisure centre, at work, with friends. In the past it has been celebrated by schools, restaurants, shops, businesses and radio stations.

This year’s campaign will encourage people to share a video clip of themselves enjoying a fun activity in Welsh. This will coincide with Visit Wales’s marketing campaign, ‘Hwyl’ (fun in Welsh).

Remember to tag us on social media to let us know what you’ll be doing for 2025. Please use the hashtags #Hwyl and #shwmaesumae25 and tag @ShwmaeSumae on Facebook or @diwrnodshwmaesumae on Instagram and TikTok.

There are plenty ideas for celebrating the day on the campaign’s website: Shwmae. Cymru, with branded stickers, selfie frames and ‘Shwmae Su’mae’ speech bubbles available to download for use in events. 

For further information please select the following link: What is Diwrnod Shwmae Su’mae?

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Rydym yn croesawu galwadau'n Gymraeg.